diff -r 000000000000 -r 6474c204b198 js/src/tests/js1_8/regress/regress-471373.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/js1_8/regress/regress-471373.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,45 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 471373;
+var summary = 'TM: do not assert: (size_t)(regs.pc - script->code) < script->length';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  if (typeof window == 'undefined')
+  {
+    expectExitCode(5);
+  }
+
+  jit(true);
+
+  function g() {
+    var x = {};
+    for (var b = 0; b < 2; ++b) {
+      yield x;
+      for (var c = 0; c < 10;++c) {
+        x.r = x;
+      }
+    }
+  }
+  for (let y in g()) { }
+  jit(false);
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}